Felicia Day And Sean Austin With ‘Behind the Scenes: When Galaxies Collide’

Felicia Day explains some of the science behind galactic “collisions,” including the upcoming collision between the galaxy Andromeda and our own galaxy, in this mock behind-the-scenes look at the making of a NASA educational video. Starring Felicia Day (“The Guild,” “Do You Wanna Date My Avatar”) and Sean Astin (“Lord of the Rings” Trilogy, “Special Agent Oso”).